
The Hiroshima Children's Museum is a science museum for children in Hiroshima, Japan.
Kitami Observatory is an astronomical observatory in the Kitami-Abashiri Region Cultural Centre in eastern Hokkaidō, Japan. Its observatory code is 400. It is 0.72344 Earth radii from the rotation axis and +0.68811 Earth radii from the equatorial plane, 143.7827 degrees east of Greenwich.

The Kuma Kogen Astronomical Observatory is located at Kumakōgen in Ehime Prefecture, Japan.

The Nagoya City Science Museum is a museum located in Sakae, Nagoya, the center of Nagoya City, in central Japan.

The Saji Observatory is located in Saji, Tottori, Japan. Distance from rotation axis and height above equatorial plane : 0.81671 +0.57522. Longitude : 134.1222
Saku Children's Science Dome for the Future (佐久市子ども未来館) is a science museum located in Saku, Nagano, Japan. The mission of the museum is "Bringing up of highly creative children through spreading and enlightening them of scientific knowledge".

Yamanashi Science Museum is a science museum located in Kōfu, Yamanashi Prefecture, Japan. The museum specializes in astronomy, and technology.